Refrigerator



FIG. 1 is a front perspective view of a refrigerator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is another front perspective view thereof, as shown in an alternate configuration.

The broken line in the figure drawings represents unclaimed environment only and forms no part of the claimed design. 

CLAIM We claim the ornamental design for a refrigerator, as shown and described. 